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About Us

Account-Specific Information

Liberty Mutual

 
Customer Care Phone: 888-433-3582
Fax: 617-886-1600
Monday - Thursday: 8:30 a.m. to 8:00 p.m. EST
Friday: 8:30 a.m. to 4:30 p.m. EST
 
Email: libertyteam@deltadentalma.com
 
Delta Dental of MA
Attn: Liberty Mutual Unit
PO Box 9695
Boston, MA 02114
 
 
Claims
 
 
 
Phone: 888-433-3582
Fax: 617-886-1600
 
Delta Dental of MA
Attn: Liberty Mutual Unit
P.O. Box 2907
Milwaukee, WI 53201-2907

Massachusetts Public Employees Fund


 

Customer Care Phone: 800-553-6277
Fax: 617-886-1392
Monday - Wednesday & Friday: 8:30 a.m. to 4:30 p.m. EST
Thursday: 10:00 a.m. to 4:30 p.m. EST
 
Email: mpeunit@deltadentalma.com
 
Delta Dental of MA
Attn: MPE Unit
PO Box 9695
Boston, MA 02114
 
Claims
 
 
Phone: 800-553-6277
Fax: 617-886-1392
 
Delta Dental of MA
Attn: MPE Unit
P.O. Box 2907
Milwaukee, WI 53201-2907

Raytheon


 


 

Customer Care Phone: 877-335-8227
Fax: 617-886-1600
Monday - Thursday: 8:30 a.m. to 8:00 p.m. EST
Friday: 8:30 a.m. to 4:30 p.m. EST
 
Email: raytheonteam@deltadentalma.com
 
Delta Dental of MA
Attn: Raytheon
PO Box 9695
Boston, MA 02114
 
Claims
 
 
Phone: 888-433-3582
Fax: 617-886-1600
Delta Dental of MA
Attn: Liberty Mutual Unit
P.O. Box 2907
Milwaukee, WI 53201-2907